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Photo: Opqr, CC BY-SA 3.0 via Wikimedia Commons
The hot spring system known for having the hottest and most active springs in Japan, with some of them reaching 80-105 °C and producing over 15,000 tons of hot water daily. The hot spring system consists of 30 individual springs.
Obama Onsen (小浜温泉) is an onsen in Obama, Unzen, Nagasaki Prefecture, Japan. The hot springs system is located in the foothills of Mount Unzen Volcano.
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